The coverall for oil and gas industury,nomexIIIA fabric,flame retardant and anti-static,safety clothing.have 4.5oz,6.0oz ... in the petrochemical, oil and gas extraction, chemical, electrical power, the military, flash paint and other possible arc dangerous environment Any size base on the ... , Jun Lu, dark green, yellow, smoke gray, white, base on customer demand. nomex coverall for worker and army